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3545a
Pinion Shaft Bushing Reamer
Pilot (Part No. HD-94812-87)
Pinion Shaft Bushing Reamer
(Part No. HD-94812-1)
Figure 3-60. Line Reaming Pinion Shaft Bushing
ASSEMBLY/INSTALLATION
1.
See
Figure 3-51.
Install oil pump drive gear (12) and pin-
ion gear (5) to pinion shaft. Note that timing mark on pin-
ion gear tooth is aligned with keyway in ID of pinion gear,
as shown in
Figure 3-61.
mark will allow you to easily position pinion gear (1) over
shaft key (2) and against oil pump drive gear (3) on pin-
ion shaft (4).
2.
See
Figure 3-51.
Clean pinion shaft threads and nut (11)
threads. Apply several drops of LOCTITE THREAD-
LOCKER 262 (red) to threads of nut. Install nut to pinion
shaft, tightening to 35-45 ft-lbs (47-61 Nm).
3.
See
Table 3-9
and
Figures 3-53
engine oil to bushings, shafts, and gears. Install all cam
gears into bushings of right crankcase half, properly
aligning timing marks of cam gears and pinion gear as
shown in
Figure 3-54.
4.
See
Figure 3-51.
Install a new seal (6) and new dry gas-
ket (9) on gearcase cover (17).
5.
Install gearcase cover over all gears and onto right
crankcase half (10). Secure cover to crankcase half with
11 socket head screws. Tighten screws evenly to 80-
110 in-lbs (9.0-12.4 Nm) according to the torque
sequence shown in
Figure 3-63.
3-46
See
Figure 3-62.
The timing
and 3-54. Liberally apply
www.PlanDeGraissage.org
b0178x3x
Pinion gear
Figure 3-61. Pinion Gear Timing Mark and Keyway
b0166x3x
2
1
1.
Pinion gear
2.
Shaft key
Figure 3-62. Oil Pump Drive Gear and Pinion Gear
Installed on Pinion Shaft
6.
Check cam gear end play for each cam gear as follows:
a.
Turn engine over until lobe of cam gear being
checked is pointing toward its respective tappet
guide hole.
b.
Using a flat blade screwdriver, gently pry the cam
gear toward gearcase cover.
c.
Using a feeler gauge, measure gap between bush-
ing (in crankcase half) and cam gear shaft thrust
face (shoulder). This is cam gear end play.
d.
Compare your cam gear end play measurements
with the
SPECIFICATIONS
repairs as required if end gap is less than the mini-
mum specified, or greater than the maximum speci-
fied (Service Wear Limits).
Timing mark at
centerline of
keyway
4
3
3.
Oil pump drive gear
4.
Pinion shaft
on
page
3-3. Make
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